A3 630 then FR 6875 at Dublin
Athens → Dublin → Barcelona
Timetable, Dublin time
11:20A3 630 from Athens at the gate
06:05FR 6875 to Barcelona leaves the gate
18 h 45 apart on the timetable, overnight
FR 6875 leaves 18 h 45 after A3 630 arrives on the timetable: more than half a day, so not a connection we count.